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      1 /*
      2  * Copyright 2008 CoreMedia AG, Hamburg
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the License);
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *     http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an AS IS BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.coremedia.iso.boxes;
     18 
     19 import com.coremedia.iso.IsoTypeReader;
     20 import com.coremedia.iso.IsoTypeWriter;
     21 import com.coremedia.iso.Utf8;
     22 import com.googlecode.mp4parser.AbstractFullBox;
     23 
     24 import java.nio.ByteBuffer;
     25 
     26 /**
     27  * Used to give information about the performer. Mostly used in confunction with music files.
     28  * See 3GPP 26.234 for details.
     29  */
     30 public class PerformerBox extends AbstractFullBox {
     31     public static final String TYPE = "perf";
     32 
     33     private String language;
     34     private String performer;
     35 
     36     public PerformerBox() {
     37         super(TYPE);
     38     }
     39 
     40     public String getLanguage() {
     41         return language;
     42     }
     43 
     44     public String getPerformer() {
     45         return performer;
     46     }
     47 
     48     public void setLanguage(String language) {
     49         this.language = language;
     50     }
     51 
     52     public void setPerformer(String performer) {
     53         this.performer = performer;
     54     }
     55 
     56     protected long getContentSize() {
     57         return 6 + Utf8.utf8StringLengthInBytes(performer) + 1;
     58     }
     59 
     60     @Override
     61     protected void getContent(ByteBuffer byteBuffer) {
     62         writeVersionAndFlags(byteBuffer);
     63         IsoTypeWriter.writeIso639(byteBuffer, language);
     64         byteBuffer.put(Utf8.convert(performer));
     65         byteBuffer.put((byte) 0);
     66     }
     67 
     68     @Override
     69     public void _parseDetails(ByteBuffer content) {
     70         parseVersionAndFlags(content);
     71         language = IsoTypeReader.readIso639(content);
     72         performer = IsoTypeReader.readString(content);
     73     }
     74 
     75     public String toString() {
     76         return "PerformerBox[language=" + getLanguage() + ";performer=" + getPerformer() + "]";
     77     }
     78 }
     79